\Sex\, n. [L. sexus: cf. F. sexe.]
1. The distinguishing peculiarity of male or female in both
animals and plants; the physical difference between male
and female; the assemblage of properties or qualities by
which male is distinguished from female.
2. One of the two divisions of organic beings formed on the
distinction of male and female.
3. (Bot.)
(a) The capability in plants of fertilizing or of being
fertilized; as, staminate and pistillate flowers are
of opposite sexes.
(b) One of the groups founded on this distinction.
{The sex}, the female sex; women, in general.

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Computing Dictionary

Definition:

/seks/ [Sun Users' Group & elsewhere] 1. Software EXchange. A technique invented by the blue-green algae hundreds of millions of years ago to speed up their evolution, which had been terribly slow up until then. Today, SEX parties are popular among hackers and others (of course, these are no longer limited to exchanges of genetic software). In general, SEX parties are a good thing, but unprotected SEX can propagate a virus. See also pubic directory.

2. The mnemonic often used for Sign EXtend, a machine instruction found in the pdp-11 and many other architectures. The rca 1802 chip used in the early elf and SuperElf personal computers had a "SEt X register" SEX instruction, but this seems to have had little folkloric impact.

DEC's engineers nearly got a pdp-11assembler that used the "SEX" mnemonic out the door at one time, but (for once) marketing wasn't asleep and forced a change. That wasn't the last time this happened, either. The author of "The Intel 8086 Primer", who was one of the original designers of the intel 8086, noted that there was originally a "SEX" instruction on that processor, too. He says that Intel management got cold feet and decreed that it be changed, and thus the instruction was renamed "CBW" and "CWD" (depending on what was being extended). The intel 8048 (the microcontroller used in ibm pc keyboards) is also missing straight "SEX" but has logical-or and logical-and instructions "ORL" and "ANL".

The motorola 6809, used in the UK's "dragon 32" personal computer, actually had an official "SEX" instruction; the 6502 in the apple ii with which it competed did not. British hackers thought this made perfect mythic sense; after all, it was commonly observed, you could (on some theoretical level) have sex with a dragon, but you can't have sex with an apple.

Dreaming about sex, refers to the psychological completion and the integration of contrasting aspects of the Self. You need to be more receptive and incorporate aspects of your dream sex partner into your own character. Alternatively and a more direct interpretation of the dream, may be your libido's way of telling you that it's been too long since you have had sex. It may indicate repressed sexual desires and your needs for physical and emotional love.
Dreaming about sex with someone other than your spouse or significant other, suggests dissatisfaction with the physical side of your relationship. On the other hand, it may be harmless fantasy. In such situations, you may find that you are less inhibited sexually and you can even bring that sense of adventure to your existing relationship.
Dreaming that you are having sex with an ex or someone who is not your current mate indicates your reservations about embarking in a new relationship or situation. You may feel nervous about exposing yourself or currently feel a resurgence of those old emotions and feelings that you felt back when you and your ex were together. Believe it or not, it is not uncommon for people approaching their wedding to experience especially erotic adventures with partners other than their intended spouses. This may be due to the intensity of your sexual passion with your fiancé. It also relates to the new roles that you will be taking on and the uncertainty that that may bring.
If you are heterosexual and you dream that you are having sex with someone of the same sex means not necessarily homosexual desire, but an expression of greater self love and acceptance. You need to be in better touch of your feminine or masculine side.
Dreaming that you are the opposite sex, suggests that you exhibit or need to incorporate those qualities of the opposite sex. Ask yourself, how do you feel being a man or a woman? In what ways can you incorporate those feelings into your waking life.